
 function a(){
    let b = 1;
    return function c(){
        console.log(b);
    }
 }
 let d = a();
 d();

 // 自执行箭头函数
( () => {
    var b = {};
    var e = {
        92414: function(){
            var r = 1;
            d.exports = function () {
                return r;
            }
        }
    }
}
)();